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kimu
@kimu
August 2022
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В треугольнике ABC угол C равен 90o, sin A = √17 /17 Найдите tg A.
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sedinalana
Verified answer
CosA=√(1-sin²A)=√(1-1/17)=4/√17=4√17/17
tgA=sinA/cosA=√17/17:4√17/17=√17/17*17/4√17=1/4=0,25
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Verified answer
CosA=√(1-sin²A)=√(1-1/17)=4/√17=4√17/17tgA=sinA/cosA=√17/17:4√17/17=√17/17*17/4√17=1/4=0,25